Finding the Fourth Proportional to 30,935,343.38, 46,402,719.62 and 18,808,155
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Solution
The fourth proportional to 30,935,343.38, 46,402,719.62 and 18,808,155 is: 28,212,052.87
Step by Step Solution
- Step 1: Write the proportion equation
30,935,343.38 : 46,402,719.62 = 18,808,155 : x - Step 2: Convert to fraction form
30,935,343.38/46,402,719.62 = 18,808,155/x - Step 3: Cross multiply
30,935,343.38x = 46,402,719.62 × 18,808,155 - Step 4: Simplify right side
30,935,343.38x = 872,749,542,940,460.38 - Step 5: Solve for x
x = 872,749,542,940,460.38/30,935,343.38 - Step 6: Final answer
x = 28,212,052.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.